User Request Evaluation Tool and Controller-Pilot Data Link Communications Integration Benefits Assessment

Rakas, J., Hansen, M., Jirajaruporn, W. and Bolic, T. 2003. User Request Evaluation Tool and Controller-Pilot Data Link Communications Integration Benefits Assessment. Transportation Research Record. 1850 (1), pp. 20-29. https://doi.org/10.3141/1850-03

TitleUser Request Evaluation Tool and Controller-Pilot Data Link Communications Integration Benefits Assessment
TypeJournal article
AuthorsRakas, J., Hansen, M., Jirajaruporn, W. and Bolic, T.
Abstract

Explored are the benefits of integrating User Request Evaluation Tool (URET) and Controller-Pilot Data Link Communications (CPDLC). Controller-pilot voice-communication messages and aircraft traffic flows and conflicts are analyzed in great detail in one representative, URET-operating en route sector. On the basis of the mapped URET data and the real-world communication messages, a base case and two alternative scenarios were analyzed to estimate the number of clearances that are given to pilots to resolve aircraft conflicts a sufficient time before the start of the conflict, and to determine the reduction in frequency congestion possible if such messages were sent via data link. It was found that the highest frequency use, which corresponded to the first traffic peak, was reduced 27% after the second-scenario messages were removed from the base-case scenario. After removing the non-time-critical conflict-resolution messages, the total reduction was 59%. Frequency use during the highest number of aircraft conflicts was reduced 65% after all messages from the second and the third scenario were removed. Thus, the benefits of integrating CPDLC and URET are significant. If non-time-critical conflict messages were transmitted via data link in the integrated CPDLC and URET environment, they could considerably improve the frequency congestion. More important, the largest benefits would be experienced in situations involving a large number of aircraft conflicts, or during busy periods of traffic. These improvements could further help to reduce the number of communication errors (and the consequent air traffic control workload), as well as the number of operational errors.

JournalTransportation Research Record
Journal citation1850 (1), pp. 20-29
ISSN0361-1981
Year2003
PublisherSage
Digital Object Identifier (DOI)https://doi.org/10.3141/1850-03
Web address (URL)http://www.scopus.com/inward/record.url?eid=2-s2.0-1842815873&partnerID=MN8TOARS
Publication dates
Published2003

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